Base | Representation |
---|---|
bin | 10101101001001110… |
… | …101111110100011011 |
3 | 2012222122202001222211 |
4 | 111221032233310123 |
5 | 340044004410133 |
6 | 14402040255551 |
7 | 1451626242646 |
oct | 255116576433 |
9 | 65878661884 |
10 | 23240310043 |
11 | 9946604a05 |
12 | 46071715b7 |
13 | 2264abb162 |
14 | 11a67a4a5d |
15 | 91047cbcd |
hex | 5693afd1b |
23240310043 has 4 divisors (see below), whose sum is σ = 23368709728. Its totient is φ = 23111910360.
The previous prime is 23240310017. The next prime is 23240310053. The reversal of 23240310043 is 34001304232.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23240310043 - 29 = 23240309531 is a prime.
It is a super-2 number, since 2×232403100432 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23240309996 and 23240310023.
It is not an unprimeable number, because it can be changed into a prime (23240310053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64199571 + ... + 64199932.
It is an arithmetic number, because the mean of its divisors is an integer number (5842177432).
Almost surely, 223240310043 is an apocalyptic number.
23240310043 is a deficient number, since it is larger than the sum of its proper divisors (128399685).
23240310043 is a wasteful number, since it uses less digits than its factorization.
23240310043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128399684.
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 23240310043 its reverse (34001304232), we get a palindrome (57241614275).
The spelling of 23240310043 in words is "twenty-three billion, two hundred forty million, three hundred ten thousand, forty-three".
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